Although the scanned images are derivative works and are therefore not subject to individual copyright, it is poor Web etiquette to link directly to images from this site without permission. “Hot-linking” our images from another site is a form of bandwidth theft. If you wish to use one of our images on your own site, please copy the image to your server, don’t link directly to the image file here. An acknowledgement of the source and a link back to our site would be appreciated.